chore(deps): update dependency webpack-cli to v4

Author: renovate-bot

package.json

@@ -76,7 +76,7 @@
     "ts-node": "^8.10.1",
     "typescript": "^3.8.3",
     "webpack": "^4.43.0",
-    "webpack-cli": "^3.3.11"
+    "webpack-cli": "^4.9.1"
   },
   "husky": {
     "hooks": {